是要翻译吗alotoflanguage，__ has been discovered，is happening in the first yearoflife so parents should talk much to their children during that periodAas B it C which D that 我知道BD都不对～～可是AC上不知到为什么选A因为的意思学习语言，有研究表明，在这一生一次的时间里，家长应予孩子多沟通在第一年，不好意思打错了as表因果关系，因为是为后文服务的，可以意译